Supernatural Boss on Finale: "Characters That People Like Will Be Killed"

Supernatural's war in Heaven is upon us as the series airs its two-part finale on Friday (8/7c on The CW), and showrunner Sera Gamble promises some deaths, Sam's long-awaited breakdown and "a lot of Castiel" in both episodes.

Gamble wrote the night's first episode, "Let It Bleed," which introduces a new player -- at least historically -- into the series. Apparently, the late, real-life horror writer H.P. Lovecraft is somehow mixed up in the Winchesters' battle to keep Purgatory at bay. Anyone familiar with his Chthulu mythos will recognize that his terrifying creations fit right in with the Supernatural world. Read More...